The IndieView: A great place to find reviews and reviewers of self- and indie-published books. Blogs are listed alphabetically in a neat chart with the genres they review, and a convenient link to their submissions guidelines.
The Book Blogger List: Exactly what it sounds like–a huge, well-organized list of book bloggers. Bloggers are separated by genre, so you can easily find who you’re looking for.
Kate Tilton’s Book Blogger Group: Another long list of book bloggers. Unfortunately, this one isn’t organized by genre but rather alphabetically. This website also offers services for authors (for a fee) including mass emails to all the bloggers listed for book reviews. All the bloggers sign up because they’re interested in providing book reviews or posting author interviews, so there will definitely be someone interested.